Agent & Developer Portal
Hosted checkout owns quote, approvals, wallet mismatch checks, submit, indexing, redirects, and partner lifecycle callbacks.
POST /api/builder/v1/checkout/sessions
{
"publicIntegrationId": "pub_...",
"tradeToken": "<short-lived token>",
"chainId": 480,
"marketAddress": "0x...",
"tradeType": "buy",
"side": 0,
"amountWei": "1000000000000000000",
"collateralToken": "PRB"
}